Number of primes between 100 and 200

prime number, also known as prime number, has an infinite number. A natural number greater than 1, except for 1 and itself , cannot be divided by other natural numbers (prime numbers), in other words, there are no other factors other than 1 and itself.

/** * Determine the number of primes between 100 and 200 *  * @author Administrator */public class IsPrime {public static void main (string[] args) {//Times The prime number between calendar 100 ~ 200 for (int i=100; i<=200; i++) {if (IsPrime (i)) {System.out.println (i);}}}  /** * To determine if a given number is a primes * @param number * @return true is; False is not */public static Boolean isprime (int number) {//given digit divided by 2 ~ Each number itself (not including itself), if integer except, is not a prime for (int i=2; i<number; i++) {if (number% i = = 0) {return false;}} return true;}}

Number of primes between 100 and 200